Oregano, a Must Have in the Garden ... and in the Medicine Cabinet

Oregano as an herb is not very needy, and when fully grown can be trimmed and used when needed. Dayana Brooke/Unsplash

Ah, oregano. No self-respecting pizzeria is without a shaker full of it nearby.

But the proverbial pizza-topper has far more uses than spicing up one of America’s favorite foods.